Finding the Fourth Proportional to 153,459.48, 230,188.68 and 69,120.84
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Solution
The fourth proportional to 153,459.48, 230,188.68 and 69,120.84 is: 103,681.02
Step by Step Solution
- Step 1: Write the proportion equation
153,459.48 : 230,188.68 = 69,120.84 : x - Step 2: Convert to fraction form
153,459.48/230,188.68 = 69,120.84/x - Step 3: Cross multiply
153,459.48x = 230,188.68 × 69,120.84 - Step 4: Simplify right side
153,459.48x = 15,910,834,920.09 - Step 5: Solve for x
x = 15,910,834,920.09/153,459.48 - Step 6: Final answer
x = 103,681.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.